CNN CNN Newsroom April 28, 2012
tactical team. they believe it's very dangerous. they do keller is in there. they did see lights on in that bunker last night, and signs tell them there's some sort of life going on in. this is a tactical situation and they are working hard to get in. >> bob, what about tear gas? we understand they tried it once. they weren't sure tear gas all the way in to him. any word they may try that again? >> well, what they did was launch some tear gas in there yesterday. nothing really seemed to happen. they believe keller may have a gas mask on. you've got to remember, this is a guy that has...